Envío De Plantilla (hsm) B2

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "name": "Env\u00edo de Plantilla (HSM) B2",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "send-whatsapp-template",
        "options": {}
      },
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2.1,
      "position": [
        -512,
        112
      ],
      "id": "a3d1f7c2-6e4b-4c8a-9f1d-2b7e5a9c1d40",
      "name": "Webhook"
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://graph.facebook.com/v22.0/1061041147100905/messages",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({\n  \"messaging_product\": \"whatsapp\",\n  \"to\": $json.body.phone.replace(/^549(\\d{4})(\\d{6})$/, '54$115$2'),\n  \"type\": \"template\",\n  \"template\": {\n    \"name\": $json.body.templateName,\n    \"language\": { \"code\": \"es_AR\" },\n    \"components\": ($json.body.params && $json.body.params.length > 0) ? [{ \"type\": \"body\", \"parameters\": $json.body.params.map(p => ({ \"type\": \"text\", \"text\": p })) }] : []\n  }\n}) }}",
        "options": {}
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.4,
      "position": [
        -256,
        112
      ],
      "id": "c5f8e3a1-9d6b-4a7c-8e2f-1a4d9c6b3f72",
      "name": "HTTP Request",
      "credentials": {
        "httpHeaderAuth": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "HTTP Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": true,
  "settings": {
    "executionOrder": "v1",
    "binaryMode": "separate"
  },
  "versionId": "e7a2c9f4-3b6d-4e81-9c5a-7f2b8d1e4a63",
  "nodeGroups": [],
  "id": "sCc2nz9UXSrT4mEm",
  "tags": []
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• httpHeaderAuth

About this workflow

Envío de Plantilla (HSM) B2. Uses httpRequest. Webhook trigger; 2 nodes.

Source: https://github.com/mauroarmas/TrimIA-Backend/blob/1421cb7d221386fe555ba47494c7e9c32b8e894a/n8n/workflows/EnvioMensajePlantilla-B2.json — original creator credit. Request a take-down →

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